05/24/22

finding areas of squares

The rectangle is 3 3⁄4 centimeters long and 2 1⁄2 centimeters wide. What is the area of this rectangle?

05/24/22

Maths questions

Simplify (-3) +(-4) +(-5)

05/24/22

Any two equal vectors should have the same orientation.

Hard problem, can't get to the right exact answer. (ASAP!)

Uma has $100 and she has to buy 100 balls. A football costs $15, a cricket ball costs $1 and a table-tennis ball costs $0,25. Uma spends the whole amount on buying the 100 balls. How many balls of... more

05/24/22

Parking lots have signs that tell how occupied the lots are. When 90% of the spaces are occupied, a red light will go on.

Parking lots have signs that tell how occupied the lots are. When 90% of the spaces are occupied, a red light will go on. Below are situations for two of the lots:a)     Parking lot A: # of spaces:... more

05/24/22

Is 1/3 greater than 0.3? Are they equal? Explain your reasoning.

Is 1/3 greater than 0.3? Are they equal? Explain your reasoning.

05/24/22

What is the 102th term of the binomial expansion (x-1)^101

05/23/22

Evaluate the expression c=12 and d=4

05/23/22

6 centimeters wide and had an area of 30 cm. How long was the piece?

Tiffany was cutting out some pieces of fabric for a friend. She cut out a piece that was 6 centimeters wide and had an area of 30 cm. How long was the piece?

For Positive Acute Angles A and B it is known that sin A = 21/29 and tan B = 28/45. Find the value of cos (A-B) in simplist form.

For Positive Acute Angles A and B it is known that sin A = 21/29 and tan B = 28/45. Find the value of cos (A-B) in simplist form.

Use the table to evaluate the expression.

x 1 2 3 4 5 5f(x) 2 3 5 1 6 3g(fx) 3 2 1 6 4 5g(f(2))=

05/23/22

If the diameter is 20 inches whats the circumference

05/23/22

finding the rate or time in a word problem on continuous growth or decay

The mass of a radioactive substance follows a continuous exponential decay model, with a decay rate parameter of 7% per day. A sample of this radioactive substance was taken three days ago. If the... more

05/23/22

is x=1 a linear function?

Mr. Santos, a garment store owner, claimed that the brand of sweatpants his customers prefer is Brand A compared to Brand B. He conducted a survey of 100 customers.

Direction: In the following problem, (a) state the null and alternative hypothesis, (b) select and compute the test statistic, (c) determine the critical value and the rejection region, and (d)... more

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